Service Information bulletin: Notes on exchanging the metering device (AdBlue)

SI14.40-B-0005A

12.02.16

Vehicle 368.0, 368.1, 382.1, 384.07 with Cumbustion engine 926.9 with CODE MS5 (BlueTec 5 (Euro V))

Vehicle 368.0, 384.06, 384.2 with Cumbustion engine 924.9 with CODE MS5 (BlueTec 5 (Euro V))

Vehicle 382.1## #D, 634.0## #D with Cumbustion engine 457.9 with CODE MS5 (BlueTec 5 (Euro V))

Vehicle 693.3, 695.0, 958.0, 958.2 with Cumbustion engine 926.9 with CODE MS5 (BlueTec 5 (Euro V))

Vehicle 694.0, 958.0, 979.0 with Cumbustion engine 924.9 with CODE MS5 (BlueTec 5 (Euro V))

Vehicle 695.0, 958.4 with Cumbustion engine 457.9 with CODE MS5 (BlueTec 5 (Euro V))

Service Information bulletin: Notes on exchanging the metering device (AdBlue)

W14.40-1312-76

Ref: Metering unit of the "SCR" system

This service information has the purpose of alerting on the possibility of replacement of some items comprising the "SCR" system metering unit on the correct procedure od cleaning, maintenance and repair, in the case of clogging in the AdBlue (ARLA32) pressure line, air pressure line, mixing chamber and diffuser. The release of the replacement parts as per list below has the purpose of avoiding the replacement of the entire assembly and to minimize the customer's costs.

Before replacing the "SCR" system metering unit, check the possibility of cleaning and repairing as indicated in the workshop documentation.

B128 Compressed air pressure sensor

B129 AdBlue pressure sensor

B130 AdBlue temperature sensor

Y109 Metering valve

2 Compressed air strainer filter

3 Inlet of compressed air

4 Limiting valve

5 Diffuser

6 Outlet connection

7 Adjusting screw

8 AdBlue inlet

9 AdBlue strainer filter

10 Heating element (R28)

	Trucks	
	Rinse the "SCR" system metering unit	Engine 457.9 in models 695, 958	AR14.40-B-2031TB
		Engine 924.9, 926.9	AR14.40-B-2031TC
	Remove and install the metering unit of the exhaust gas aftertreatment system	Engine 457.9 in models 695, 958	AR14.40-B-2002TB
		Engine 924.9, 926.9	AR14.40-B-2002TC
	Removing and installing the AdBlue pressure sensor	Engine 457.9 in models 695, 958	AR14.40-B-2003TB
		Engine 924.9, 926.9	AR14.40-B-2003TC
	Removing and installing the SCR compressed air pressure sensor	Engine 457.9 in models 695, 958	AR14.40-B-2005TB
		Engine 924.9, 926.9 in models 693, 694, 695, 958, 979	AR14.40-B-2005TC
	Replace the diffuser in the metering unit of the exhaust gas aftertreatment system	Engine 457.9 in models 695, 958	AR14.40-B-2043TB
		Engine 924.9, 926.9 in models 693, 694, 695, 958, 979	AR14.40-B-2043TC
	Removing and installing the compressed air inlet filter of the metering unit	Engine 457.9 in models 695, 958	AR14.40-B-2050TC
		Engine 924.9, 926.9 in models 693, 694, 695, 958, 979	AR14.40-B-2050TB
	Bus chassis	
	Rinse the "SCR" system metering unit	Engine 457.9 in models 382, 634	AR14.40-B-2031B
		Engine 924.9 926.9 in models 368, 382384	AR14.40-B-2031A
	Removing and installing the metering unit of the exhaust gas aftertreatment system	Engine 457.9 in models 382, 634	AR14.40-B-2002B
		Engine 924.9 926.9 in models 368, 382384	AR14.40-B-2002A
	Removing and installing the AdBlue pressure sensor	Engine 457.9 in models 382, 634	AR14.40-B-2003B
		Engine 924.9 926.9 in models 368, 382, 384	AR14.40-B-2003A
	Removing and installing the SCR compressed air pressure sensor	Engine 457.9 in models 382, 634	AR14.40-B-2005B
		Engine 924.9 926.9 in models 368, 382, 384	AR14.40-B-2005A
	Replace the diffuser in the metering unit of the exhaust gas aftertreatment system	Engine 457.9 in models 382, 634	AR14.40-B-2043B
		Engine 924.9 926.9 in models 368, 382, 384	AR14.40-B-2043A
	Removing and installing the compressed air inlet filter of the metering unit	Engine 457.9 in models 382, 634	AR14.40-B-2050B
		Engine 924.9 926.9 in models 368, 382, 384	AR14.40-B-2050A

Indicações de encomenda de peças

No. da peça	Denominação	Qtde.
A000 140 20 39	Complete metering unit	01
A000 140 05 94	Air filter screen / AdBlue filter screen (2, 9)	02
A000 140 00 30	Heater / Diffuser (10, 5)	01
A002 997 78 71	Outlet connection (6)	01
A006 153 74 28	Air pressure sensor (B128)	01
A006 153 75 28	AdBlue pressure sensor (B129)	01
A006 153 45 28	AdBlue temperature sensor (B130)	01

Documenti citati